March 2018
Intermediate to advanced
626 pages
17h 32m
English
The 4xx codes or client errors indicate that the request contains bad syntax or cannot be fulfilled in this server. They are described in the following table:
|
Code |
Event name |
Reason |
|
400 |
Bad request |
The request couldn't be processed due to syntax error. |
|
401 |
Unauthorized |
The request that was received requires user authentication. Usually the client will ask the user for it. |
|
402 |
Payment required |
This is reserved for future use. |
|
403 |
Forbidden |
The server has understood the request, but is refusing to perform it. The client should not try it again. |
|
404 |
Not found |
The server notifies the client that the user does not exist in the domain specified in the Request URI. |
|
405 ... |
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